Mercedes-Benz Mercedes SL 2001-2012 Emissions & Sensors Specifications
Explore detailed emissions sensors specifications for the 2001-2012 Mercedes SL. Learn about sensor types, locations, functions, and compatibility for diagnostics, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors used in Mercedes SL models from 2001 to 2012. It is designed to assist mechanics, engineers, and enthusiasts in understanding the functionality, maintenance, and troubleshooting of these sensors. The guide is organized into sections for easy navigation, and includes a quick reference table for key specifications. Use the search and navigation instructions to find specific information efficiently.
How to Use
Use the search functionality to quickly locate specific terms or sensor models. Enter keywords in the search bar and review the highlighted results for relevant information.
Navigate through the document using the section titles and subsections. Each major section is labeled clearly, and subsections contain detailed points for easy reference.
Key Specifications
Oxygen Sensor Operating Temperature
600-800°C
NOx Sensor Response Time
< 1 second
Particulate Sensor Accuracy
±5%
Sensor Voltage Range
0.1-1.0V
Sensor Replacement Interval
60,000-90,000 miles
Available Specifications
Sensor Types and Functions
This section outlines the different types of emissions sensors used in the Mercedes SL (2001-2012) and their primary functions. It covers oxygen sensors, NOx sensors, and particulate matter sensors, explaining their roles in reducing emissions and ensuring compliance with environmental standards.
Sensor Types and Functions
This section outlines the different types of emissions sensors used in the Mercedes SL (2001-2012) and their primary functions. It covers oxygen sensors, NOx sensors, and particulate matter sensors, explaining their roles in reducing emissions and ensuring compliance with environmental standards.
Oxygen Sensors
- Monitors oxygen levels in the exhaust gases
- Helps optimize air-fuel mixture for combustion
- Located in the exhaust manifold and downstream of the catalytic converter
- Typically replaced every 60,000-90,000 miles
- Common failure symptoms include poor fuel economy and increased emissions
- Uses zirconia or titania as sensing elements
NOx Sensors
- Detects nitrogen oxide levels in the exhaust
- Critical for diesel engines to meet emission standards
- Located in the exhaust system, often near the SCR catalyst
- Can be affected by contamination or high temperatures
- Signals are used by the ECU to adjust urea injection in SCR systems
- Requires periodic calibration and maintenance
Installation and Maintenance
This section provides guidance on the proper installation, calibration, and maintenance of emissions sensors. It includes tips for ensuring accurate readings, extending sensor lifespan, and preventing common issues.
Installation and Maintenance
This section provides guidance on the proper installation, calibration, and maintenance of emissions sensors. It includes tips for ensuring accurate readings, extending sensor lifespan, and preventing common issues.
Installation Guidelines
- Always use OEM or equivalent quality sensors
- Ensure proper torque when tightening sensor threads
- Avoid contamination during installation
- Check wiring connections for secure fit
- Reset ECU after sensor replacement
- Perform a test drive to verify functionality
Maintenance Tips
- Regularly inspect sensors for damage or corrosion
- Clean sensor surfaces with appropriate solvents
- Check for error codes using diagnostic tools
- Replace sensors at recommended intervals
- Monitor fuel quality to prevent sensor fouling
- Ensure proper engine tuning to reduce sensor stress
Troubleshooting and Diagnostics
This section covers common issues with emissions sensors and provides step-by-step instructions for diagnosing and resolving problems. It includes error codes, symptoms, and solutions for typical sensor failures.
Troubleshooting and Diagnostics
This section covers common issues with emissions sensors and provides step-by-step instructions for diagnosing and resolving problems. It includes error codes, symptoms, and solutions for typical sensor failures.
Common Error Codes
- P0130 - Oxygen Sensor Circuit Malfunction
- P0420 - Catalyst System Efficiency Below Threshold
- P2201 - NOx Sensor Circuit Range/Performance
- P2463 - Diesel Particulate Filter Restriction
- P0135 - Oxygen Sensor Heater Circuit Malfunction
- P2200 - NOx Sensor Circuit Intermittent
Diagnostic Steps
- Use a OBD-II scanner to retrieve error codes
- Inspect wiring and connectors for damage
- Test sensor voltage and resistance values
- Check for exhaust leaks or blockages
- Compare sensor readings to factory specifications
- Replace faulty sensors and clear error codes
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Upstream and Downstream
- Platform
- Bosch LSU 4.2
- Material
- Zirconia Ceramic
- Location
- Exhaust System
Dimensions
- Length
- 2.75 in / 70 mm
- Diameter
- 0.875 in / 22 mm
- Thread Size
- M18 x 1.5
- Wire Length
- 23.6 in / 600 mm
- Operating Temperature
- -40 to 900 °C / -40 to 1652 °F
- Voltage Range
- 0.1 to 0.9 V
- Response Time
- 0.2 seconds
Materials
- Sensing Element
- Zirconia Ceramic
- Housing
- Stainless Steel
- Wiring
- PTFE Insulated Copper
- Connector
- Thermoplastic
Features
- Performance
-
- Wideband Lambda Measurement
- High Accuracy
- Fast Response Time
- Self-Heating Capability
- Durability
-
- Corrosion-Resistant Housing
- Thermal Shock Resistance
- Vibration Resistance
- Compatibility
-
- OBD-II Compliance
- Universal Fit for SL Models
- Direct OE Replacement
- Monitoring
-
- Real-Time Data Output
- Fault Detection
- Adaptive Learning
Safety Features
- Electrical Safety
-
- Short Circuit Protection
- Overvoltage Protection
- Thermal Safety
-
- Overheat Shutdown
- Thermal Management
- Mechanical Safety
-
- Impact Resistance
- Sealed Housing
Comfort Features
- installation
-
- Plug-and-Play Design
- Tool-Free Connector
- Clear Mounting Instructions
- Maintenance
-
- Self-Diagnostic Capability
- Easy Access Location
- Minimal Cleaning Required
- Operation
-
- Silent Functionality
- Low Power Consumption
- Stable Signal Output
Accessories
- installation Tools
-
- O2 Sensor Socket
- Thread Sealant
- Wire Connector Kit
- Testing Equipment
-
- Multimeter
- OBD-II Scanner
- Lambda Meter
- Replacement Parts
-
- Gasket
- Heat Shield
- Wire Harness
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Inspect Sensor Wiring
- Check Sensor Output Voltage
- Clean Sensor Surface
- Test Response Time
- Replace if Faulty
- Maintenance Notes
- Avoid contamination with oil or coolant for optimal performance.
Warranty
- Standard Warranty
- Miles: 24,000Years: 2Coverage: Defects in Materials or Workmanship
- Extended Warranty
- Miles: 60,000Years: 5Coverage: Full Replacement
- Performance Warranty
- Miles: 100,000Years: 10Coverage: Accuracy and Response Time
- Warranty Terms
- Must be installed by certified technician for warranty validation.
Production Details
- Manufacturer
- Bosch Automotive
- Manufacturing Process
-
- Ceramic Casting
- Laser Welding
- Precision Calibration
- Quality Control
- Testing: Thermal Cycling, Voltage Accuracy, Durability TestingCertifications: ISO 9001, OEM Standards, Environmental Compliance
- Sustainability Practices
-
- Recyclable Materials
- Low Emission Production
- Energy-Efficient Manufacturing
- Production Metrics
- Annual Output: 2 Million UnitsDefect Rate: 0.01%Lead Time: 4 Weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to the oxygen sensors
- Inspect Sensor Wiring
- Check Voltage Output
- Clean Sensor Surface
- Test Response Time
Ensure proper connection and no contamination.
- Replace Sensor if Necessary
- Inspect Exhaust System
- Test OBD-II Data
- Verify Fuel Efficiency
Use OEM parts for replacement to maintain performance.
- Full System Diagnostics
- Replace Both Sensors
- Inspect Wiring Harness
- Test Emissions Levels
Critical to ensure compliance with emissions standards.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the emissions sensors for the 2001-2012 Mercedes SL compatible with other models?
Are the emissions sensors for the 2001-2012 Mercedes SL compatible with other models?
The emissions sensors for the 2001-2012 Mercedes SL are specifically designed for this model range and may not be compatible with other vehicles. These sensors are calibrated to meet the emissions standards and engine specifications of the SL series. Always verify compatibility using the vehicle's VIN or consult the manufacturer's documentation before attempting to use these sensors in other models.
Q2 What maintenance is required for emissions sensors in the 2001-2012 Mercedes SL?
What maintenance is required for emissions sensors in the 2001-2012 Mercedes SL?
Emissions sensors in the 2001-2012 Mercedes SL require minimal maintenance but should be inspected during routine service intervals. Check for signs of wear, corrosion, or damage, and ensure connections are secure. The sensors should be cleaned with a specialized sensor-safe cleaner if contamination is detected. Replace sensors as recommended by the manufacturer or if diagnostic codes indicate a failure.
Q3 How do I install or replace emissions sensors in a 2001-2012 Mercedes SL?
How do I install or replace emissions sensors in a 2001-2012 Mercedes SL?
To install or replace emissions sensors in a 2001-2012 Mercedes SL, first locate the sensor near the exhaust system. Disconnect the electrical connector and use a sensor socket to remove the old sensor. Apply anti-seize compound to the threads of the new sensor and install it securely. Reconnect the electrical connector and clear any diagnostic codes using an OBD-II scanner. Test the system to ensure proper operation.
Q4 What should I do if the emissions sensor in my 2001-2012 Mercedes SL malfunctions?
What should I do if the emissions sensor in my 2001-2012 Mercedes SL malfunctions?
If the emissions sensor malfunctions, first check for diagnostic trouble codes using an OBD-II scanner. Inspect the sensor and wiring for damage or loose connections. Clean the sensor if contaminated, and replace it if necessary. Ensure the exhaust system is free of leaks, as these can affect sensor performance. If issues persist, consult a professional technician for further diagnosis.
Q5 How can I optimize the performance of emissions sensors in my 2001-2012 Mercedes SL?
How can I optimize the performance of emissions sensors in my 2001-2012 Mercedes SL?
To optimize emissions sensor performance, ensure the engine is properly tuned and the fuel system is clean. Use high-quality fuel and replace the sensor as recommended by the manufacturer. Regularly inspect the exhaust system for leaks or damage. Keep the sensor free of contaminants and follow the vehicle’s maintenance schedule to ensure optimal sensor function and emissions compliance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes SL Emissions System Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the emissions system of the 2001-2012 Mercedes SL, including sensor locations and diagnostic procedures.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonThis bulletin outlines updates and improvements for emissions sensors in the 2001-2012 Mercedes SL, including part numbers and installation guidelines.
Mercedes SL Emissions Parts Catalog
Coming SoonThis catalog lists all emissions-related parts for the 2001-2012 Mercedes SL, including sensors, gaskets, and connectors, with detailed descriptions and part numbers.
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